package com.sgj.controller;

import com.sgj.pojo.Tag;
import com.sgj.service.BlogService;
import com.sgj.service.TagService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.List;

/**
 * @author 沈国纪
 * @date 2021/4/4 22:45
 */
@Controller
public class TagShowController {

	private static final String TAG = "tags";

	@Autowired
	private TagService tagService;

	@Autowired
	private BlogService blogService;

	/**
	 * 根据标签查询博客
	 * @param pageable
	 * @param id
	 * @param model
	 * @return
	 */
	@GetMapping("/tags/{id}")
	public String types(@PageableDefault(size = 6, sort = {"updateTime"}, direction = Sort.Direction.DESC) Pageable pageable,
	                    @PathVariable Long id, Model model) {
		// 指定足够大的分类数量
		List<Tag> tags = tagService.listTagTop(30000);
		if (id == -1) {
			id = tags.get(0).getId();
		}
		model.addAttribute("tags", tags);
		model.addAttribute("page", blogService.listBlog(id, pageable));
		model.addAttribute("activeTagId", id);
		return TAG;
	}
}
